Species: unicuspis GAO & FOX, 1991
Etymology:

Holotype: UALVP 29739

Locality: Railway Grade, Dinosaur Provincial Park, in S22, Tp. 20, R12, W4, Newell County, Southeastern Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material: An Incomplete left dentary bearing 11 well-preserved teeth and bases of six others.

Referred material:

GAO & FOX, 1996

Locality: Irvine Locality, Cypress County, Southeastern Alberta Province, Canada.

Horizon: Oldman Formation, middle Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

UALVP 29910-29911: Incomplete tooth-bearing maxillaries.

UALVP 29732, 29736, 29740, 29743-29745, RTMP 82.24.57: Incomplete tooth-bearing dentaries.

 

NYDAM, CALDWELL & FANTI, 2010

Locality: Kleskin Hill Park Locality, approximately 25 km northeast of Grande Prairie, Grande Prairie County, Alberta Province, Canada.

Horizon: Wapiti Formation.

Biostratigraphy:

Age: Late Campanian Stage, Upper Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UALVP 50958 (KH. 2007.039): Rostral portion of skull preserving the anterior portions of the right and left maxillae adn the right and left dentaries, and a partial ?palatine.

UALVP 50961: Anterior portion of a right maxilla.

UALVP 50963: Partial skeleton preserving fragmentary cranial elements and the centra of 2 caudal vertebrae.

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Species: brachyodon LONGRICH, BHULLAR & GAUTHIER, 2013a
Etymology: Greek, brachy, "short" and Greek, odon, "tooth."

Holotype: YPM PU 16724

Locality: Polecat Bench, Sec. 31, T57N, R98W, Bighorn Basin, Park County, Wyoming.

Horizon: Lance Formation.

Biostratigraphy:

Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Dentary.

Referred material:

YPM-PU 21375: Denatry.